The deal involves 16 A330neo wide-body jets and around

10 of the newly launched A321XLR extended-range narrow-body aircraft, the sources said, asking not to be identified.

Together with other aircraft and options the deal could involve as many as 40 aircraft, one of the sources added.

Airbus declined comment. Cebu officials could not be reached for comment.

The deal follows a fight for business at the Philippines budget airline as Airbus seeks a new foothold for its A330neo in the face of heavy competition from Boeing's 787 Dreamliner.

The carrier had at one point been seen as likely to proceed with a Boeing 787 order, prompting Airbus to rescue the deal .

Cebu Air plans to expand its fleet with new aircraft that burn less fuel, CEO Lance Gokongwei said last month.

Asian carriers are looking to renew their long-haul fleets as passenger demand remains robust despite a decline in cargo.

(Reporting by Tim Hepher; Editing by Laurence Frost)